Bacterial behaviour in the biodegradation of phenol by indigenous bacteria immobilized in Ca-alginate beads

The phenol biodegradation by Ca-alginate immobilized indigenous bacteria was performed in batch system. The effects of some operational parameters were evaluated, including % weight of alginate, calcium and CaCl2, diameter of spheres; jellification time; solution concentration; adaptation concentrat...

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Veröffentlicht in:	Environmental technology. - 1993. - 41(2020), 14 vom: 15. Juni, Seite 1829-1836
1. Verfasser:	Namane, A (VerfasserIn)
Weitere Verfasser:	Amrouche, F, Arrar, J, Ali, O, Hellal, A
Format:	Online-Aufsatz
Sprache:	English
Veröffentlicht:	2020
Zugriff auf das übergeordnete Werk:	Environmental technology
Schlagworte:	Journal Article Biodegradation calcium alginate immobilization indigenous bacteria phenol Alginates Hexuronic Acids Phenols Phenol mehr... 339NCG44TV Glucuronic Acid 8A5D83Q4RW


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245	1	0	\|a Bacterial behaviour in the biodegradation of phenol by indigenous bacteria immobilized in Ca-alginate beads
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520			\|a The phenol biodegradation by Ca-alginate immobilized indigenous bacteria was performed in batch system. The effects of some operational parameters were evaluated, including % weight of alginate, calcium and CaCl2, diameter of spheres; jellification time; solution concentration; adaptation concentration and alginate/cells ratio. The optimal biodegradation conditions were found for 2% and 3% of weight for respectively the sodium alginate and calcium chloride. The hardening time was 30 min and beads diameter of 4 cm. The degradation efficiency of the immobilized strains in these conditions exceeds 800 mg·L-1. The results show that the mass transfer flow (nutritional intake) which depends on the concentration gradient (dC/dz), the physical-chemical properties of alginate beads through the diffusivity coefficient (D), govern the bacterial kinetics and the spatial and temporal behaviour of bacteria
650		4	\|a Journal Article
650		4	\|a Biodegradation
650		4	\|a calcium alginate
650		4	\|a immobilization
650		4	\|a indigenous bacteria
650		4	\|a phenol
650		7	\|a Alginates \|2 NLM
650		7	\|a Hexuronic Acids \|2 NLM
650		7	\|a Phenols \|2 NLM
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700	1		\|a Amrouche, F \|e verfasserin \|4 aut
700	1		\|a Arrar, J \|e verfasserin \|4 aut
700	1		\|a Ali, O \|e verfasserin \|4 aut
700	1		\|a Hellal, A \|e verfasserin \|4 aut
773	0	8	\|i Enthalten in \|t Environmental technology \|d 1993 \|g 41(2020), 14 vom: 15. Juni, Seite 1829-1836 \|w (DE-627)NLM098202545 \|x 1479-487X \|7 nnas
773	1	8	\|g volume:41 \|g year:2020 \|g number:14 \|g day:15 \|g month:06 \|g pages:1829-1836
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